Seiko Cal. 5659 - 930

Seiko 5659-930

This Spring Drive model from 1977 features a 35mm Stainless Steel case. Powered by the 5659 caliber with 26j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-a58c238d7253]

Also known as: Helmet

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
35mm
Case Thickness
14.6mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
180m
Dial Color
Green
Jewels
26j
Frequency
28,800 bph
Power Reserve
42 hours
Year
1977

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seikata-wm-a58c238d7253